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General Information
DEFINITION OF TESTER DISPLAYS
Due to the limited amount of space on the tester display, many of the test requests and messages are ab¬
breviated to short form statements by means of key words or letters to represent a longer statement.
The complete statements are defined in the following listing.
KEY ON — Turn the ignition key to the ON position.
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CK GND + PWR FEED — Check the system ground and power source.
NO D.C. SOL — No duty cycle pulses — check the duty cycle line.
START VEH — Start engine.
GK RPM SIGNAL — Check RPM (tach) wire with the engine off.
TESTING — Tester is testing.
CK INPUT CKTS — Check the six input circuits.
CK IDLE CKT — Check the idle circuit.
TURN KEY OFF — Turn the ignition key to the OFF position.
RP PCV SOL — Repair the positive crankcase ventilating solenoid.
RAP MANIFOLD — Tap on the manifold with a screwdriver to simulate an engine knock.
CK KNOCK CKT — Check the knock circuit.
DIS VSA — Disconnect the vacuum switch assembly.
RP VSA — Repair the vacuum switch assembly.
YES OK? NO — A yes or no response is needed for the previous display.
FLOOR IT ONCE — Push accelerator pedal to the wide-open throttle position and release immediately.
LET IDLE — Lift foot from accelerator and let the engine idle.
PASS TEST — The CEC FFB system is O.K. Test is completed.
RETEST? — Do you want to retest?
CK AIR MGMT SYS — Check the air management system.
MCU OK — The MCU is O.K.
MCU DEFECTIVE — The MCU is defective. Replace the MCU and retest.
CK CSW CKT — Check the coolant switch circuit.
CK TES CKT — Check the thermal electric switch circuit.
CK ALT CKT — Check the altitude jumper wire circuit.
CK WOT CKT — Check the wide-open throttle switch circuit.
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General Information
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